

public class array {
public static void array (String args[]) {
int a1[] = new int[10];
int a2[] = {1, 2, 3, 4, 5};
int a3[] = {4, 3, 2, 1};
System.out.println("length of a1 is " + a1.length); //10
System.out.println("length of a2 is " + a2.length); //5
System.out.println("length of a3 is " + a3.length); //4 
}}

